Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 13a5660c authored by Deepak S's avatar Deepak S Committed by Daniel Vetter
Browse files

drm/i915/chv: Freq(opcode) request for CHV. 



On CHV, All the freq request should be even. So, we need to make sure we
request the opcode accordingly.

v2: Avoid vairable for freq request (ville)

Signed-off-by: default avatarDeepak S <deepak.s@linux.intel.com>
Reviewed-by: default avatarBen Widawsky <ben@bwidawsk.net>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent ab53c267

drivers/gpu/drm/i915/i915_irq.c

+8 −4
Original line number Diff line number Diff line
@@ -1252,8 +1252,10 @@ static void gen6_pm_rps_work(struct work_struct *work) 
	if (pm_iir & GEN6_PM_RP_UP_THRESHOLD) {

		if (adj > 0)

			adj *= 2;

		else

			adj = 1;

		else {

			/* CHV needs even encode values */

			adj = IS_CHERRYVIEW(dev_priv->dev) ? 2 : 1;

		}

		new_delay = dev_priv->rps.cur_freq + adj;



		/*
@@ -1271,8 +1273,10 @@ static void gen6_pm_rps_work(struct work_struct *work) 
	} else if (pm_iir & GEN6_PM_RP_DOWN_THRESHOLD) {

		if (adj < 0)

			adj *= 2;

		else

			adj = -1;

		else {

			/* CHV needs even encode values */

			adj = IS_CHERRYVIEW(dev_priv->dev) ? -2 : -1;

		}

		new_delay = dev_priv->rps.cur_freq + adj;

	} else { /* unknown event */

		new_delay = dev_priv->rps.cur_freq;